# Remove
duplicates from a list
lst = [ 10,20,30,40,50,10,40,60,70,20]
lst1 = dict.fromkeys(lst).keys()
lst1.sort()
print lst1
print
print [i for i in lst if i
not in locals()['_[1]'].__self__]
''' Python 2.4
>>> l
[10, 20, 30, 40,
50, 10, 40, 60, 70, 20]
>>> l =
[ 10,20,30,40,50,10,40,60,70,20]
>>> set(l)
set([70, 40, 10, 50, 20, 60, 30])
>>> list(set(l))
[70, 40, 10, 50,
20, 60, 30]
>>> [i for i in l if i not in locals()['_[1]']]
[10, 20, 30, 40,
50, 60, 70]
>>> sorted(list(set(l)))
[10, 20, 30, 40,
50, 60, 70]
>>> sorted(dict.fromkeys(l).keys())
[10, 20, 30, 40,
50, 60, 70]
>>>
'''